first command:

$ sigrok-cli  -d chromium-twinkie:analog_channels=2 --continuous -P usb_power_delivery:fulltext=yes
usb_power_delivery-1: Preamble
usb_power_delivery-1: SYNC-1
usb_power_delivery-1: SYNC-1
usb_power_delivery-1: SYNC-1
usb_power_delivery-1: SYNC-2
usb_power_delivery-1: SOP
usb_power_delivery-1: 0x1
.
.
.

====================================================================
second command:

sigrok-cli  -d chromium-twinkie:analog_channels=2 --continuous
libsigrok 0.5.2-git-6439f5ef
Acquisition with 2/4 channels at 2.4 MHz
CC1:00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
CC2:00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
CC1:00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
CC2:00000000 00000000 00000000 00000000 00000001 11111111 11111111 11111111
CC1:00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
CC2:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
CC1:00000000 00000000 00000000 00000000 00000000 00000000 00000111 11111111
CC2:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
CC1:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
.
.
.
BUS_V: 19.992 V DC
VBUS_V: 19.992 V DC
VBUS_V: 19.992 V DC
VBUS_V: 19.992 V DC
VBUS_V: 19.992 V DC
VBUS_V: 19.992 V DC
VBUS_V: 19.992 V DC
VBUS_V: 19.992 V DC
VBUS_V: 19.992 V DC
VBUS_A: -645 mA
VBUS_A: -645 mA
VBUS_A: -645 mA
VBUS_A: -645 mA
VBUS_A: -645 mA
VBUS_A: -645 mA
.
.
.
.

=================================================================
third command:

$ sigrok-cli  -d chromium-twinkie:analog_channels=2 --continuous -P usb_power_delivery:fulltext=yes
usb_power_delivery-1: Preamble
usb_power_delivery-1: SYNC-1
usb_power_delivery-1: SYNC-1
usb_power_delivery-1: SYNC-1
usb_power_delivery-1: SYNC-2
usb_power_delivery-1: SOP
usb_power_delivery-1: 0x1
usb_power_delivery-1: 0x6
usb_power_delivery-1: 0x1
usb_power_delivery-1: 0x4
.
.
.